Dr. Kumar Krishnan, MD

  • Boston, MA
  • Gastroenterologist
NPI1609085240PAC ID0143478503
Medicare services, 2024
737
Medicare patients, 2024
344
Part D claims, 2024
218
Publications
63
Hospital affiliations
4
Practice address
55 Fruit Street, Boston, MA 02114
Practice phone
Call (617) 726-2000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Massachusetts General Hospital

Hospital · Boston, Massachusetts

See all 9 affiliations

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Dr. Kumar Krishnan is a gastroenterologist in Boston, Massachusetts

Dr. Krishnan practices at Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham.

Dr. Krishnan's NPI, 1609085240, was assigned on May 21, 2007. Dr. Krishnan graduated from University of Texas Southwestern Medical School at Dallas in 2006. Dr. Krishnan holds Massachusetts license 272242.

NPI and contact details
Medicare PAC ID
0143478503
NPI enumeration date
May 21, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(617) 726-2000
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
46
Medical school graduation
2006

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Kumar Krishnan practices at Massachusetts General Hospital in Boston, Massachusetts

Dr. Krishnan's primary practice is Massachusetts General Hospital, at 55 Fruit Street, Boston, MA 02114 in Suffolk County. The practice phone is (617) 726-2000.

Source: Dmand AI Affiliation Data

Dr. Kumar Krishnan is affiliated with 6 sites of care and 3 medical groups

Dr. Krishnan's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Dr. Krishnan is also affiliated with Brigham and Women's Hospital. The medical group on file is Massachusetts General Physicians Organization (MGPO). Dmand AI also links Dr. Krishnan to 2 more hospitals, 2 medical groups, 1 community health center and 1 group practice or clinic, each named with a free account.

See all 9 affiliations for Dr. Krishnan

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Kumar Krishnan's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Krishnan practices, 6 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Massachusetts General HospitalAvailable with a free account
+5 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Kumar Krishnan is one of 597 gastroenterologists in Massachusetts

Gastroenterology is Dr. Krishnan's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dmand AI has Dr. Krishnan's licenses on file in 3 states: Massachusetts, Illinois and Texas.

Specialties and state licenses

  • Gastroenterology, MassachusettsPrimaryLicense 272242 · taxonomy 207RG0100X
  • Internal medicine, IllinoisLicense 036121716 · taxonomy 207R00000X
  • Texas licenseLicense Q0093

Gastroenterologists near Dr. Krishnan

Counts of gastroenterologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Kumar Krishnan billed Medicare for 737 services in 2024

CMS data shows 737 Medicare services from Dr. Krishnan across 19 procedure codes in 2024, for 344 Medicare patients. Medicare paid $107,655 for them.

Medicare services, 2024737
Medicare patients344
Paid by Medicare$107,655
Procedure codes19

Dr. Krishnan's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Surgery
2023: 4252024: 47111%
Office and hospital visits
2023: 1892024: 13131%
Imaging
2023: 972024: 12125%
Tests and treatments
2023: 172024: 1418%

Where Dr. Krishnan's Medicare services took place, 2024

  • In an office193%
  • In a facility71897%

Dr. Krishnan compared with the Massachusetts median for gastroenterologists, 2024

  • Dr. Krishnan
  • Massachusetts median
Medicare services
737vs 51942% above
Medicare patients
344vs 343Close to median
Part D claims
163vs 30046% below

Medians across 583 gastroenterologists in Massachusetts with Dmand AI profiles that report each measure.

Dr. Krishnan's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Krishnan

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Kumar Krishnan treated 344 Medicare patients in 2024, average age 74

CMS counts 344 Medicare patients who saw Dr. Krishnan in 2024. The largest group is 65 to 74, with 151 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 15% are also on Medicaid. Their average risk score is 1.82, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Krishnan's median patient age at 72, with 44% women.

Medicare patients, 2024344
Average age74
Average risk score1.82
Also on Medicaid15%

Dr. Krishnan's Medicare patients by age, 2024

Dr. Krishnan's Medicare patients by sex, 2024

  • Women17451%
  • Men17049%

Chronic conditions among Dr. Krishnan's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis48%
  4. Anxiety39%
  5. Mood disorders34%
  6. Chronic kidney disease32%
  7. Ischemic heart disease32%
  8. Depression31%

Share of Medicare patients with each condition. A patient can have several.

Dr. Krishnan's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 72

Patient panel by sex, all payers

  • Women44%
  • Men56%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Kumar Krishnan wrote 218 Medicare Part D claims in 2024

In 2024, Dr. Krishnan wrote 218 Medicare Part D claims for 123 patients. 90% of them were for generic drugs. CMS names the drug for 163 of them, across 8 drugs with 11 or more claims each, at $34,173 in total drug cost. In 2023, CMS named 172 claims across 8 drugs.

Part D claims, 2024218
Drugs named by CMS8
Total drug cost$34,173
Part D patients123

Dr. Krishnan's Part D claims by kind of drug, 2024

  • Generic197 claims90%
  • Brand-name21 claims10%

Dr. Krishnan's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Krishnan's Part D claims, 2024

  • Opioids6%14 of 218 claims
  • Antibiotics17%38 of 218 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 1722024: 1635%

Drugs named by CMS: 8 in 2024, 8 in 2023.

See all prescribing by Dr. Krishnan

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Kumar Krishnan ranks in the 99th percentile for upper gastrointestinal (gi) endoscopy for acid reflux in Medicare

Dr. Krishnan accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Krishnan as offering telehealth. CMS counts 565 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Krishnan, more than 99% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Where Dr. Krishnan ranks in Medicare procedure volume

Upper gastrointestinal (GI) endoscopy for acid reflux
99th percentile565 procedures
Colonoscopy
44th percentile14 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Dr. Kumar Krishnan has 63 publications on record

Dmand AI links 63 papers to Dr. Krishnan, published from 2010 to 2024. 2020 was the busiest year, with 9. The most frequent topics are Endosonography, Gastroesophageal Reflux and Pancreatic Neoplasms. Dr. Krishnan has published most often in Gastrointest Endosc. Dr. Krishnan's most frequent co-authors are Arvind Julius Trindade, MD, Guru Vythia Ganapathy Trikudanathan, MD and Mansour A. Parsi, MD.

Papers63
Years published2010 to 2024

Dr. Krishnan's papers by year, 2014 to 2024

Topics Dr. Krishnan writes about most

  • Endosonography
  • Gastroesophageal Reflux
  • Pancreatic Neoplasms
  • Endoscopic Ultrasound-Guided Fine Needle Aspiration
  • Drainage
  • Endoscopy, Gastrointestinal
  • Esophagus
  • HeLa Cells

Dr. Krishnan's most frequent co-authors

Recent publications by Dr. Krishnan

See all 63 publications and co-authors

See who Dr. Krishnan researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Krishnan works with, so you can find a warm path to the right gastroenterologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Kumar Krishnan received $70,372 in industry payments from 2016 to 2025

CMS Open Payments shows 174 general payments to Dr. Krishnan from 22 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 70% of the total. Olympus Corporation of the Americas paid the most, $26,979.

General payments to Dr. Krishnan by program year, 2016 to 2025

General payments to Dr. Krishnan by kind, 2016 to 2025

$70.4Kin total
  • Consulting fees$49,02370%
  • Speaker and faculty fees$11,68817%
  • Food and beverage$5,8748%
  • Travel and lodging$2,7884%
  • Education$1,0001%

Companies that paid Dr. Krishnan the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Krishnan

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Kumar Krishnan graduated from University of Texas Southwestern Medical School at Dallas

Dr. Krishnan graduated from University of Texas Southwestern Medical School at Dallas in 2006.

  1. Medical schoolUniversity of Texas Southwestern Medical School at Dallas

Source: Dmand AI Professional Profile Data

Sources for Dr. Kumar Krishnan's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Kumar Krishnan

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Kumar Krishnan's NPI number?

Dr. Kumar Krishnan's NPI number is 1609085240. It was assigned on May 21, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Kumar Krishnan?

Dr. Kumar Krishnan is a gastroenterologist in Boston, Massachusetts. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Dr. Kumar Krishnan practice?

Dr. Krishnan practices at 55 Fruit Street, Boston, MA 02114. Dr. Krishnan's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Dr. Krishnan to 2 hospitals, 2 medical groups, 1 community health center and 1 group practice or clinic.

What is Dr. Kumar Krishnan's office phone number?

The practice phone on file for Dr. Krishnan is (617) 726-2000.

What is Dr. Kumar Krishnan's medical license number?

Dr. Krishnan holds Massachusetts license 272242, one of the licenses on file in 3 states.

Which states has Dr. Kumar Krishnan been licensed in?

Dmand AI has state licenses on file for Dr. Krishnan in Massachusetts, Illinois and Texas.

Which hospitals is Dr. Kumar Krishnan affiliated with?

Dr. Krishnan practices at Massachusetts General Hospital in Boston, Massachusetts. Dr. Krishnan is also affiliated with Brigham and Women's Hospital. Dmand AI links Dr. Krishnan to 2 more hospitals.

What medical group is Dr. Kumar Krishnan part of?

Dr. Krishnan is linked to Massachusetts General Physicians Organization (MGPO). Dmand AI links Dr. Krishnan to 2 more medical groups.

Does Dr. Kumar Krishnan accept Medicare?

Yes. CMS data shows Dr. Krishnan billed Medicare for 737 services in 2024, and Dr. Krishnan accepts Medicare assignment.

Does Dr. Kumar Krishnan offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Krishnan as offering telehealth services.

Show 8 more questionsShow fewer questions

How many Medicare patients does Dr. Kumar Krishnan see?

CMS counts 344 Medicare patients who saw Dr. Krishnan in 2024, with an average age of 74.

What services does Dr. Kumar Krishnan bill to Medicare?

In 2024, Dr. Krishnan's most billed Medicare services were diagnostic imaging (74328), surgery: digestive system (43276) and surgery: digestive system (43274).

Where did Dr. Kumar Krishnan go to medical school?

Dr. Krishnan graduated from University of Texas Southwestern Medical School at Dallas in 2006.

What drugs does Dr. Kumar Krishnan prescribe most?

In 2024 Medicare Part D data, Dr. Krishnan's most prescribed drugs by claims were Omeprazole, Ciprofloxacin HCl and Gavilyte-G.

Has Dr. Kumar Krishnan received payments from drug or device companies?

CMS Open Payments shows $70,372 in general payments to Dr. Krishnan from 22 companies from 2016 to 2025. The largest total came from Olympus Corporation of the Americas.

How long has Dr. Kumar Krishnan been practicing?

Dr. Krishnan graduated from medical school in 2006, 20 years ago.

Does Dr. Kumar Krishnan do research?

Dmand AI links 63 publications to Dr. Krishnan, published from 2010 to 2024.

Who does Dr. Kumar Krishnan publish with?

Dr. Krishnan's most frequent co-authors are Arvind Julius Trindade, MD (16 shared papers), Guru Vythia Ganapathy Trikudanathan, MD (15 shared papers) and Mansour A. Parsi, MD (14 shared papers).

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